At the edge of the ocean, a dazzling ecosystem is changing fast
Sea otters are one of the predators — one of the wolves, to continue the metaphor, to our urchin deer — keeping urchins in ...
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Brimming Pools
But despite its apparent lethargy,Pisaster ochraceus serves as a top predator of the intertidal zone—tiger of the tide pool—though it lacks anything like a brain. Sarah Ann Thompson ...